package com.yohann.designPattern.facade;

/**
 * @author Yohann
 */
public class Screen {
    private static Screen ourInstance = new Screen();

    public static Screen getInstance() {
        return ourInstance;
    }

    private Screen() {
    }

    public void up() {
        System.out.println("Screen up");
    }

    public void down() {
        System.out.println("Screen down");
    }
}
